enable ability to disable the introduction page
enable ability to disable the introduction page

svn path=/trunk/KDE/kdepim/akregator/; revision=849411

lefou/kdepim-noakonadi,lefou/kdepim-noakonadi,lefou/kdepim-noakonadi,lefou/kdepim-noakonadi,lefou/kdepim-noakonadi,lefou/kdepim-noakonadi